Background: Rising tensions with Syria

August 30, 2013 |John Boyd

Uncredited/ASSOCIATED PRESS

Chemical weapons attack

9of13

In effort to put down the rebel forces, the Syrian government in August 2013 launched chemical weapons attacks, now believed to include sarin gas, upon its people. At least 1,400 were believed killed, including children.

Uncredited/ASSOCIATED PRESS

Chemical weapons attack

9of13

In effort to put down the rebel forces, the Syrian government in August 2013 launched chemical weapons attacks, now believed to include sarin gas, upon its people. At least 1,400 were believed killed, including children.